The researchers speculate that craft activities promote the development of nerve pathways in the brain that help to maintain cognitive health.

研究人员推测，手艺活动促进了大脑神经通路的发展，有助于保持认知健康。

youdao

The researchers speculate that a Neanderthal cut off the panther PAWS and kept them.

研究人员推断，第一种可能性是尼安德特人切断了豹爪，并把它们保存起来。

youdao

The researchers speculate that longer-term meditation might be necessary to affect that area.

研究人员推测，经过更长期的冥想才可能影响到这个区域。

youdao

The researchers speculate that the patients' expectations of how much the acupuncture might help them could have influenced their reports of improved symptoms.

CNN: Acupuncture may be antidote for allergies

Although the experiment did not test the idea (or, for that matter, the effects of an upgrade to the rodent equivalent of business class), the researchers speculate that it may be this lack of synchrony that caused the deaths of the older animals.

ECONOMIST: Biology: Go west, old man | The

The fact that human penis size is relatively large, compared to other primates, led the researchers to speculate that female preference may have driven its evolution.

FORBES: Facebook Pulls Down 'Penis Size Matters' Study Link